Learning from _______ mistakes can help us stay cautious and make wise decisions in the days to come.

 While intelligent people can often _____ the complex, a fool is more likely to complicate     the simple.

The man has little education but he has a lot of _____ experience.

 It is _______ of the students to stay up reading till late night before the final exam. 

— How was your job interview?— Oh, I couldn’t feel ______. I hardly found proper answers to most of the questions they asked.